Loans - Troubled Debt Restructurings (Details) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2015 USD ($) Contract	Dec. 31, 2014 USD ($) Contract
Financing Receivable, Modifications [Line Items]
TDR that Subsequently Defaulted, Number of Contracts \| Contract	0	0
Number of Contracts \| Contract	4
Pre-Modification Recorded Investment	$ 1,323
Post-Modification Recorded Investment	1,383
Existing Troubled Debt Restructuring	3,721
Loans classified as troubled debt restructuring	5,104	$ 7,700
Rate Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Term Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Payment Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	423
Post-Modification Recorded Investment	406
Combination Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	900
Post-Modification Recorded Investment	$ 977
Commercial \| Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract	4
Pre-Modification Recorded Investment	$ 1,323
Post-Modification Recorded Investment	1,383
Commercial \| Asset Quality Rating - Special Mention \| Rate Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Commercial \| Asset Quality Rating - Special Mention \| Term Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Commercial \| Asset Quality Rating - Special Mention \| Payment Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	423
Post-Modification Recorded Investment	406
Commercial \| Asset Quality Rating - Special Mention \| Combination Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	900
Post-Modification Recorded Investment	977
Loans with Accrual Status
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	66
Existing Troubled Debt Restructuring	3,138
Loans classified as troubled debt restructuring	3,204
Loans with Accrual Status \| Commercial \| Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	66
Loans with Non-Accrual Status
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	1,317
Existing Troubled Debt Restructuring	583
Loans classified as troubled debt restructuring	1,900
Loans with Non-Accrual Status \| Commercial \| Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	$ 1,317

Balance of existing troubled debt modifications prior to the period.

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

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The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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-Section 50

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Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 310

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